In honor of CVE-2016-9244. Although that particular bug BoGo was already
testing since it uses 16 bytes here.
The empty session ID case is particularly worth testing to make sure we
don't get confused somewhere. RFC 5077 allows clients to offer tickets
with no session ID. This is absurd since the client then has no way of
detecting resumption except by lookahead. We'll never do this as a
client, but should handle it correctly as a server.
Change-Id: I49695d19f03c4efdef43749c07372d590a010cda
Reviewed-on: https://boringssl-review.googlesource.com/13740
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The Go side (thankfully not the C side) was not fully updated for the
exporter secret derivation being earlier at some point. Also TLS 1.2
upgrades the PRF hash for pre-1.2 ciphers to SHA-256, so make sure we
cover that.
Change-Id: Ibdf50ef500e7e48a52799ac75577822bc304a613
Reviewed-on: https://boringssl-review.googlesource.com/13663
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Change-Id: I38cd04fa40edde4e4dd31fdc16bbf92985430198
Reviewed-on: https://boringssl-review.googlesource.com/12702
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Change-Id: I44202457841f06a899e140f78ae8afa7ac720283
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As long as we still have this code, we should make sure it doesn't
regress.
Change-Id: I0290792aedcf667ec49b251d747ffbc141c0cec4
Reviewed-on: https://boringssl-review.googlesource.com/13053
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Upstream accidentally started rejecting server-sent point formats in
https://github.com/openssl/openssl/issues/2133. Our own test coverage
here is also lacking, so flesh it out.
Change-Id: I99059558bd28d3a540c9687649d6db7e16579d29
Reviewed-on: https://boringssl-review.googlesource.com/12979
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This extension will be used to test whether
https://github.com/tlswg/tls13-spec/pull/762 is deployable against
middleboxes. For simplicity, it is mutually exclusive with 0-RTT. If
client and server agree on the extension, TLS 1.3 records will use the
format in the PR rather than what is in draft 18.
BUG=119
Change-Id: I1372ddf7b328ddf73d496df54ac03a95ede961e1
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finishedHash should keep a running secret and incorporate entropy as is
available.
Change-Id: I2d245897e7520b2317bc0051fa4d821c32eeaa10
Reviewed-on: https://boringssl-review.googlesource.com/12586
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Although we ignore all but the first identity, keep clients honest by
parsing the whole thing. Also explicitly check that the binder and
identity counts match.
Change-Id: Ib9c4caae18398360f3b80f8db1b22d4549bd5746
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BUG=101
Change-Id: Ia1edbccee535b0bc3a0e18465286d5bcca240035
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Draft 18 sadly loosens the requirements to only requiring the PRF hash
stay fixed.
BUG=117
Change-Id: Ic94d53fd9cabaee611fcf36b0071558075e10728
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The draft 18 implementation did not compute scts_requested correctly. As
a result, it always believed SCTs were requested. Fix this and add tests
for unsolicited OCSP responses and SCTs at all versions.
Thanks to Daniel Hirche for the report.
Change-Id: Ifc59c5c4d7edba5703fa485c6c7a4055b15954b4
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Having that logic in two different places is a nuisance when we go to
add new checks like resumption stuff. Along the way, this adds missing
tests for the ClientHello cipher/session consistency check. (We'll
eventually get it for free once the cipher/resumption change is
unblocked, but get this working in the meantime.)
This also fixes a bug where the session validity checks happened in the
wrong order relative to whether tickets_supported or renew_ticket was
looked at. Fix that by lifting that logic closer to the handshake.
Change-Id: I3f4b59cfe01064f9125277dc5834e62a36e64aae
Reviewed-on: https://boringssl-review.googlesource.com/12230
Reviewed-by: Adam Langley <agl@google.com>
This was removed a while ago. As of -18, the early data indication
extension is just a boolean.
Change-Id: I328b9abfafad326d4c2a3b5fe981af111f8401ad
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3c6a1ea674 switched what layer handled
the DTLS version mapping but forgot to correct the HelloVerifyRequest
logic to account for this.
Thanks to Jed Davis for noticing this.
Change-Id: I94ea18fc43a7ba15dd7250bfbcf44dbb3361b3ce
Reviewed-on: https://boringssl-review.googlesource.com/11984
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The existing tests for this codepath require us to reconfigure the shim.
This will not work when TLS 1.3 cipher configuration is detached from
the old cipher language. It also doesn't hit codepaths like sessions
containing a TLS 1.3 version but TLS 1.2 cipher.
Instead, add some logic to the runner to rewrite tickets and build tests
out of that.
Change-Id: I57ac5d49c3069497ed9aaf430afc65c631014bf6
Reviewed-on: https://boringssl-review.googlesource.com/12024
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BUG=103
Change-Id: I9a49fbaf66af73978ce264d27926f483e1e44766
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Channel ID for TLS 1.3 uses the same digest construction as
CertificateVerify. This message is signed with the Channel ID key and
put in the same handshake message (with the same format) as in TLS 1.2.
BUG=103
Change-Id: Ia5b2dffe5a39c39db0cecb0aa6bdc328e53accc2
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This should land in the same group of revisions as the two parent
commits.
Change-Id: Id9d769b890b3308ea70b705e7241c73cb1930ede
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We'll never send cookies, but we'll echo them on request. Implement it
in runner as well and test.
BUG=98
Change-Id: Idd3799f1eaccd52ac42f5e2e5ae07c209318c270
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This doesn't currently honor the required KeyUpdate response. That will
be done in a follow-up.
BUG=74
Change-Id: I750fc41278736cb24230303815e839c6f6967b6a
Reviewed-on: https://boringssl-review.googlesource.com/11412
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BUG=77
Change-Id: If568412655aae240b072c29d763a5b17bb5ca3f7
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BUG=77
Change-Id: Id8c45e98c4c22cdd437cbba1e9375239e123b261
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EnableAllCiphers is problematic since some (version, cipher)
combinations aren't even defined and crash. Instead, use the
SendCipherSuite bug to mask the true cipher (which is becomes arbitrary)
for failure tests. The shim should fail long before we get further.
This lets us remove a number of weird checks in the TLS 1.3 code.
This also fixes the UnknownCipher tests which weren't actually testing
anything. EnableAllCiphers is now AdvertiseAllConfiguredCiphers and
does not filter out garbage values.
Change-Id: I7102fa893146bb0d096739e768c5a7aa339e51a8
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Change-Id: I73f9fd64b46f26978b897409d817b34ec9d93afd
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This mirror's 2dc0204603 on the C side.
BUG=90
Change-Id: Iebb72df5a5ae98cb2fd8db519d973cd734ff05ea
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This is in preparation for implementing the version extension and is
probably what we should have done from the beginning as it makes
intolerance bugs simpler.
This means knobs like SendClientVersion and SendServerVersion deal with
the wire values while knobs like NegotiateVersion and MaxVersion deal
with logical versions. (This matches how the bugs have always worked.
SendFoo is just a weird post-processing bit on the handshake messages
while NegotiateVersion actually changes how BoGo behaves.)
BUG=90
Change-Id: I7f359d798d0899fa2742107fb3d854be19e731a4
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Apparently we never wrote one of those. Also send a decrypt_error alert
to be consistent with all the other signature checks.
Change-Id: Ib5624d098d1e3086245192cdce92f5df26005064
Reviewed-on: https://boringssl-review.googlesource.com/11180
Reviewed-by: David Benjamin <davidben@google.com>
Found by libFuzzer and then one more mistake caught by valgrind. Add a
test for this case.
Change-Id: I92773bc1231bafe5fc069e8568d93ac0df4c8acb
Reviewed-on: https://boringssl-review.googlesource.com/11129
Reviewed-by: David Benjamin <davidben@google.com>
Not that this matters in the slightest, but the recent IETF mailing
reminded me we don't test this.
Change-Id: I300c96d6a63733d538a7019a7cb74d4e65d0498f
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Changing parameters on renegotiation makes all our APIs confusing. This
one has no reason to change, so lock it down. In particular, our
preference to forbid Token Binding + renego may be overridden at the
IETF, even though it's insane. Loosening it will be a bit less of a
headache if EMS can't change.
https://www.ietf.org/mail-archive/web/unbearable/current/msg00690.html
claims that this is already in the specification and enforced by NSS. I
can't find anything to this effect in the specification. It just says
the client MUST disable renegotiation when EMS is missing, which is
wishful thinking. At a glance, NSS doesn't seem to check, though I could
be misunderstanding the code.
Nonetheless, locking this down is a good idea anyway. Accurate or not,
take the email as an implicit endorsement of this from Mozilla.
Change-Id: I236b05991d28bed199763dcf2f47bbfb9d0322d7
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In TLS 1.3 draft 14, due to resumption using a different cipher, this
is actually not too hard to mess up. (In fact BoGo didn't quite get it
right.)
Fortunately, the new cipher suite negotiation in draft 15 should make
this reasonable again once we implement it. In the meantime, test it.
Change-Id: I2eb948eeaaa051ecacaa9095b66ff149582ea11d
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One less thing to keep track of.
https://github.com/tlswg/tls13-spec/pull/549 got merged.
Change-Id: Ide66e547140f8122a3b8013281be5215c11b6de0
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Some version mismatch cases were not being covered due to TLS 1.2 and
TLS 1.3 having very different spellings for tickets resumption. Also
explicitly test that TLS 1.2 tickets aren't offered in the TLS 1.3 slot
and vice versa.
Change-Id: Ibe58386ea2004fb3c1af19342b8d808f13f737a9
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Much of the ClientHello logic queries hello.vers. To avoid it getting
confused, do all modifications right at the end, otherwise
SendClientVersion also affects whether the key share is sent.
Change-Id: I8be2a4a9807ef9ad88af03971ea1c37e4ba36b9c
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Change-Id: I998f69269cdf813da19ccccc208b476f3501c8c4
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This is in preparation for switching finish_handshake to a
release_current_message hook. finish_handshake in DTLS is also
responsible for releasing any memory associated with extra messages in
the handshake.
Except that's not right and we need to make it an error anyway. Given
that the rest of the DTLS dispatch layer already strongly assumes there
is only one message in epoch one, putting the check in the fragment
processing works fine enough. Add tests for this.
This will certainly need revising when DTLS 1.3 happens (perhaps just a
version check, perhaps bringing finish_handshake back as a function that
can fail... which means we need a state just before SSL_ST_OK), but DTLS
1.3 post-handshake messages haven't really been written down, so let's
do the easy thing for now and add a test for when it gets more
interesting.
This removes the sequence number reset in the DTLS code. That reset
never did anything becase we don't and never will renego. We should make
sure DTLS 1.3 does not bring the reset back for post-handshake stuff.
(It was wrong in 1.2 too. Penultimate-flight retransmits and renego
requests are ambiguous in DTLS.)
BUG=83
Change-Id: I33d645a8550f73e74606030b9815fdac0c9fb682
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Implemented in preparation for testing the C implementation. Tested
against itself.
BUG=74
Change-Id: Iec1b9ad22e09711fa4e67c97cc3eb257585c3ae5
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We still don't do anything useful with them, but we know not to put them
in the session ticket field.
In doing so, fix a bug in the CorruptTicket option where it would crash
if tickets are exactly 40 byets in length.
BUG=75
Change-Id: Id1039a58ed314a67d0af4f2c7e0617987c2bd6b5
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[Tests added by davidben.]
Change-Id: I0d54a4f8b8fe91b348ff22658d95340cdb48b089
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Change-Id: Ibde837040d2332bc8570589ba5be9b32e774bfcf
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Change-Id: I0fdd6db9ea229d394b14c76b6ba55f6165a6a806
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There is no longer need for the Go code to implement 'fake TLS 1.3'. We
now implement real incomplete TLS 1.3.
Change-Id: I8577100ef8c7c83ca540f37dadd451263f9f37e6
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This adds the machinery for doing TLS 1.3 1RTT.
Change-Id: I736921ffe9dc6f6e64a08a836df6bb166d20f504
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Not only test that we can enforce the message type correctly (this is
currently in protocol-specific code though really should not be), but
also test that each individual message is checked correctly.
Change-Id: I5ed0f4033f011186f020ea46940160c7639f688b
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This will be used for writing the equivalent test in TLS 1.3 to the
recent DTLS change and similar.
Change-Id: I280c3ca8f1d8e0981b6e7a499acb7eceebe43a0c
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This is the equivalent of FragmentAcrossChangeCipherSuite for DTLS. It
is possible for us to, while receiving pre-CCS handshake messages, to
buffer up a message with sequence number meant for a post-CCS Finished.
When we then get to the new epoch and attempt to read the Finished, we
will process the buffered Finished although it was sent with the wrong
encryption.
Move ssl_set_{read,write}_state to SSL_PROTOCOL_METHOD hooks as this is
a property of the transport. Notably, read_state may fail. In DTLS
check the handshake buffer size. We could place this check in
read_change_cipher_spec, but TLS 1.3 has no ChangeCipherSpec message, so
we will need to implement this at the cipher change point anyway. (For
now, there is only an assert on the TLS side. This will be replaced with
a proper check in TLS 1.3.)
Change-Id: Ia52b0b81e7db53e9ed2d4f6d334a1cce13e93297
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Keep our C implementation honest.
Change-Id: I9e9e686b7f730b61218362450971afdd82b0b640
Reviewed-on: https://boringssl-review.googlesource.com/8782
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
